Service Data and Specifications (S.D.S.) — Inspection and Adjustment — CD20 (Cont'd)
EM-281spec tableUnverifiedCD20 diesel engine specifications.
VALVE LIFTER
| Specification | Value |
|---|---|
| Valve lifter outer diameter — Standard(1.3763 - 1.3770) | 34.959 - 34.975mm (in) |
| Cylinder head valve lifter hole diameter(1.3775 - 1.3787) | 34.988 - 35.018mm (in) |
| Clearance — Standard(0.0009 - 0.0023) | 0.023 - 0.059mm (in) |
| Clearance — Limit(0.004) | 0.1mm (in) |
Valve lifter outer diameter — Standard(1.3763 - 1.3770)
34.959 - 34.975mm (in)
Cylinder head valve lifter hole diameter(1.3775 - 1.3787)
34.988 - 35.018mm (in)
Clearance — Standard(0.0009 - 0.0023)
0.023 - 0.059mm (in)
Clearance — Limit(0.004)
0.1mm (in)
CYLINDER BLOCK
Cylinder Block (Unit: mm (in))
Surface flatness
Sub-item
StandardLess than 0.05 (0.0020)
Limit0.10 (0.0039)
Cylinder bore
Sub-itemInner diameter — Grade No. 1
Standard84.500 - 84.510 (3.3268 - 3.3272)
Limit—
Cylinder bore
Sub-itemInner diameter — Grade No. 2
Standard84.510 - 84.520 (3.3276 - 3.3279)
Limit—
Cylinder bore
Sub-itemInner diameter — Grade No. 3
Standard84.520 - 84.530 (3.3276 - 3.3279)
Limit—
Cylinder bore
Sub-itemInner diameter — Grade No. 4
Standard84.530 - 84.540 (3.3279 - 3.3283)
Limit—
Cylinder bore
Sub-itemInner diameter — Grade No. 5
Standard84.540 - 84.550 (3.3283 - 3.3287)
Limit—
Cylinder bore
Sub-itemOut-of-round (X − Y)
StandardLess than 0.015 (0.0006)
Limit0.04 (0.0016)
Cylinder bore
Sub-itemTaper (A − B)
StandardLess than 0.010 (0.0004)
Limit0.04 (0.0016)
Piston to cylinder clearance
Sub-item
Standard0.025 - 0.045 (0.0010 - 0.0018)
Limit—
Feeler gauge extracting force [with gauge thickness 0.06 mm (0.0024 in)] N (kg, lb)
Sub-item
Standard7.8 - 14.7 (0.8 - 1.5, 1.8 - 3.3)
Limit—
Main journal inner diameter
Sub-itemGrade No. 0
Standard56.654 - 56.663 (2.2305 - 2.2308)
Limit—
Main journal inner diameter
Sub-itemGrade No. 1
Standard56.663 - 56.672 (2.2308 - 2.2312)
Limit—
Main journal inner diameter
Sub-itemGrade No. 2
Standard56.672 - 56.680 (2.2312 - 2.2315)
Limit—